2406456 has 64 divisors (see below), whose sum is σ = 7207200. Its totient is φ = 739584.

The previous prime is 2406379. The next prime is 2406457. The reversal of 2406456 is 6546042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2380 + ... + 3236.

2^2406456 is an apocalyptic number.

2406456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2406456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3603600).

2406456 is an abundant number, since it is smaller than the sum of its proper divisors (4800744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2406456 is a wasteful number, since it uses less digits than its factorization.

2406456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2406456 is about 1551.2756041400. The cubic root of 2406456 is about 134.0065341731.

The spelling of 2406456 in words is "two million, four hundred six thousand, four hundred fifty-six".